/*
 * The contents of this web application are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this web application except in compliance with 
 * the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
 * for the specific language governing rights and limitations under the License.
 * 
 * The Original Code is owned by and the Initial Developer of the Original Code is 
 * Composite A/S (Danish business reg.no. 21744409). All Rights Reserved
 * 
 * Section 11 of the License is EXPRESSLY amended to include a provision stating 
 * that any dispute, including but not limited to disputes related to the enforcement 
 * of the License, to which Composite A/S as owner of the Original Code, as Initial 
 * Developer or in any other role, becomes a part to shall be governed by Danish law 
 * and be initiated before the Copenhagen City Court ("K�benhavns Byret")            
 */

using System;
using Composite.C1Console.Actions;



namespace Composite.C1Console.Tasks
{
    /// <summary>    
    /// </summary>
    /// <exclude />
    [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)] 
    public sealed class Task
    {
        /// <exclude />
        public Task(string id, Type taskManagerType)
        {
            VerifyTaskManagerType(taskManagerType);

            this.Id = id;
            this.TaskManagerType = taskManagerType;
            this.StartTime = DateTime.Now;

            this.TaskManager = (ITaskManager)Activator.CreateInstance(taskManagerType);
        }


        /// <exclude />
        public string Id { get; private set; }

        /// <exclude />
        public Type TaskManagerType { get; private set; }

        /// <exclude />
        public DateTime StartTime { get; internal set; }

        internal ITaskManager TaskManager { get; set; }
        internal string FlowToken { get; set; }


        private static void VerifyTaskManagerType(Type taskManagerType)
        {
            if (taskManagerType == null) throw new ArgumentNullException("taskManagerType");
            if (typeof(ITaskManager).IsAssignableFrom(taskManagerType) == false) throw new ArgumentException("The type taskManagerType is not assigneble from the type: " + typeof(ITaskManager).FullName);
        }
    }
}
